NSN 4320-00-657-4172 NA11441, NA1144-1, CS43200331

Product Details | WEARING RING

4320-00-657-4172 A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.20229350055Engine System Cooling Components, Aircraft Prime Moving43200020Power and Hand Pumps

Part Alternates: NA11441, NA1144-1, CS43200331, CS4320-0331, 4320-00-657-4172, 00-657-4172, 4320006574172, 006574172

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
43	05 OCT 1970	00-657-4172	22534 ( RING, WEARING )

Drawings & Photos | NSN 4320-00-657-4172

Part Number	Request Date	QTY	Origin
4320-00-657-4172	2024-09-262	37	DIBBS
4320-00-657-4172	2022-07-209	37	DIBBS
4320-00-657-4172	2019-08-241	66	DIBBS
4320-00-657-4172	2018-08-238	77	DIBBS
4320-00-657-4172	2018-02-46	63	DIBBS
4320-00-657-4172	2017-10-274	34	DIBBS
4320-00-657-4172	2017-02-37	1	DIBBS
4320-00-657-4172	2017-02-37	46	DIBBS
4320-00-657-4172	2016-10-284	26	DIBBS
4320-00-657-4172	2015-05-134	23	DIBBS
4320-00-657-4172	2014-09-247	18	DIBBS
4320-00-657-4172	2014-01-20	22	DIBBS
4320-00-657-4172	2013-12-350	10	DIBBS
4320-00-657-4172	2013-12-335	10	DIBBS
4320-00-657-4172	2013-03-74	9	DIBBS
4320-00-657-4172	2013-02-59	9	DIBBS
4320-00-657-4172	2013-02-32	13	DIBBS
4320-00-657-4172	2013-01-22	9	DIBBS
4320-00-657-4172	2010-04-96	21	DIBBS
4320-00-657-4172	2009-10-275	20	DIBBS
4320-00-657-4172	2009-04-106	26	DIBBS
4320-00-657-4172	2009-03-75	17	DIBBS
4320-00-657-4172	2009-01-09	38	DIBBS
4320-00-657-4172	2008-04-109	21	DIBBS
4320-00-657-4172	2007-11-317	34	DIBBS
4320-00-657-4172	2007-07-187	34	DIBBS
4320-00-657-4172	2007-01-22	23	DIBBS

Cross Reference | NSN 4320-00-657-4172

Part Number	Cage Code	Manufacturer
CS4320-0331	16236	DLA LAND AND MARITIME
NA1144-1	83130	BUFFALO PUMPS, INC. DIV BUFFALO PUMPS DIV

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Related Products | NSN 4320-00-657-4172

4320-00-657-4176, 4320-00-657-4179, 4320-00-657-5269, 4320-00-657-7424, 4320-00-657-8335

Technical Data | NSN 4320-00-657-4172

Characteristic	Specifications
MATERIAL	NICKEL ALLOY
BODY STYLE	9 EXTERNAL LOCKING FLANGE
OVERALL LENGTH	0.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER	5.623 INCHES MINIMUM AND 5.624 INCHES MAXIMUM
BODY INSIDE DIAMETER	5.261 INCHES MINIMUM AND 5.263 INCHES MAXIMUM
END TO FLANGE DISTANCE	0.440 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER	4.500 INCHES NOMINAL
INTERNAL FLANGE WIDTH	0.620 INCHES NOMINAL
CENTER FLANGE THICKNESS	0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS	2.938 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS	3.125 INCHES NOMINAL
DISTANCE BELOW CENTERLINE	0.062 INCHES NOMINAL
CORNER SHAPE	SQUARE INSIDE LEFT CORNER CHAMFERED INSIDE RIGHT CORNER SQUARE OUTSIDE LEFT CORNER SQUARE OUTSIDE RIGHT CORNER
CHAMFER ANGLE	30.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH	0.090 INCHES NOMINAL INSIDE RIGHT CORNER

Restrictions/Controls & Freight Information | NSN 4320-00-657-4172

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	128000	PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating	M	85.0
Water commodity Code	594	unknown
Originating Activity Code	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 4320-00-657-4172

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each